The straight line $$\(\mathbf{L}\)$$ has equation $$\(2 y+7 x=10\)$$ (a) Find the gradient of $$\(\mathbf{L}\)$$ (2) (b) Find the coordinates of the point where $$\(\mathbf{L}\)$$ crosses the $$\(y\)$$-axis. (1)

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